In mathematics, a theorem is a statement that has been proved, or can be proved. The proof of a theorem is a logical argument that uses the inference rules of a deductive system to establish that the theorem is a logical consequence of the axioms and previously proved theorems.

What's a theorem in math?

Theorems are what mathematics is all about. A theorem is a statement which has been proved true by a special kind of logical argument called a rigorous proof. ... Once a theorem has been proved, we know with 100% certainty that it is true. To disbelieve a theorem is simply to misunderstand what the theorem says.

What is a theorem in simple terms?

1 : a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions. 2 : an idea accepted or proposed as a demonstrable truth often as a part of a general theory : proposition the theorem that the best defense is offense.